| 1 | /***************************************************************************** |
| 2 | * Copyright (C) 2013 x265 project |
| 3 | * |
| 4 | * Authors: Loren Merritt <lorenm@u.washington.edu> |
| 5 | * Steve Borho <steve@borho.org> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA. |
| 20 | * |
| 21 | * This program is also available under a commercial proprietary license. |
| 22 | * For more information, contact us at license @ x265.com. |
| 23 | *****************************************************************************/ |
| 24 | |
| 25 | #ifndef X265_CPU_H |
| 26 | #define X265_CPU_H |
| 27 | |
| 28 | #include "common.h" |
| 29 | |
| 30 | // from cpu-a.asm, if ASM primitives are compiled, else primitives.cpp |
| 31 | extern "C" void x265_cpu_emms(void); |
| 32 | extern "C" void x265_safe_intel_cpu_indicator_init(void); |
| 33 | |
| 34 | #if _MSC_VER && _WIN64 |
| 35 | #define x265_emms() x265_cpu_emms() |
| 36 | #elif _MSC_VER |
| 37 | #include <mmintrin.h> |
| 38 | #define x265_emms() _mm_empty() |
| 39 | #elif __GNUC__ |
| 40 | // Cannot use _mm_empty() directly without compiling all the source with |
| 41 | // a fixed CPU arch, which we would like to avoid at the moment |
| 42 | #define x265_emms() x265_cpu_emms() |
| 43 | #else |
| 44 | #define x265_emms() x265_cpu_emms() |
| 45 | #endif |
| 46 | |
| 47 | namespace x265 { |
| 48 | uint32_t cpu_detect(void); |
| 49 | |
| 50 | struct cpu_name_t |
| 51 | { |
| 52 | char name[16]; |
| 53 | uint32_t flags; |
| 54 | }; |
| 55 | |
| 56 | extern const cpu_name_t cpu_names[]; |
| 57 | } |
| 58 | |
| 59 | #endif // ifndef X265_CPU_H |